Monthly Historical AveragesMarathon, ON
Average Temperature
High
19°
Feels 19
Low
12°
Feels 11
Average Precipitation
10 Days
56.9mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, August 4, 2026
Day
17°Feels 16
Wind
21 km/h SW
Gust
32 km/h
Humidity
77%
P.O.P
70%
Rain
1-3 mm
Night
9°Feels 8
Wind
16 km/h S
Gust
24 km/h
Humidity
100%
P.O.P
20%
Historical AveragesAug 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity